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CHAPTER 1
The M2D and M2D-Sub loudspeakers represent advanced
technology with equally advanced power capabilities.
Understanding power distribution, voltage and current
requirements, as well as electrical safety issues, is critical
to their safe operation and deployment.
AC POWER
The M2D and M2D-Sub loudspeakers use a PowerCon
®
3-pole AC mains system with locking connectors to
prevent accidental disconnection or a multipin VEAM™
male power connector (Figures 1.1, 1.2 and 1.3).
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Figure 1.1. M2D user panel with PowerCon connector
THIS APPARATUS MUST BE EARTHED.
REFER SERVICING TO QUALIFIED PERSONNEL.
UND REPARATUR NUR DURCH ELEKTROF�CHKRAFTE
95-125V ~ 208-235V~
INTERNES NE SONT AUTORISEES QU'AU
Auto-Voltage Select
PERSONNEL TECHNIQUE QUALIFI…
NO OPERATOR SERVICEABLE PARTS INSIDE.
Turn on 165V~ Turn off 264V~
Turn on 85V~ Turn off 134V~
Operational Voltage Range:
1400W RMS MAX 1400W RMS MAX
50-60Hz 50-60Hz
ENTRETIENET REPARATIONS
W
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U.K. WARNING:
ATTENTION:
THIS PRODUCT MUST BE GROUNDED
This surface may reach high tempuratures white in use.
To ensure proper operation, allow at least 6 inches
AUTHORIZADO A PERSONAL T…CNICO CALIFICO
To reduce the risk of electric shock do not remove cover.
GEH�USE NICHT OFFENE WARTUNG
ACCESO INTERNO SOLO
To reduce the risk of fire or electric shock
Refer servicing to qualified personnel.
No operator or serviceable parts inside.
do not expose this appliance to rain or moisture.
clearance from this surface and adequate ventilation.
ATENCI”N:
ACHTUNG:
WARNINGS:
Meyer Sound, Berkeley, CA USA
Figure 1.2. M2D-Sub user panel with PowerCon connector
line (brown)
ground (green/yellow)
neutral (blue)
Figure 1.3. Optional VEAM multipin connector power pin-out
CAUTION: Ensure that you select the
correct power plug for the AC power in the
area in which you use your loudspeaker.
When AC power is applied to the M2D or M2D-Sub
loudspeaker, the Intelligent AC power supply automatically
selects the correct operating voltage, allowing the
loudspeakers to be used internationally without manually
setting voltage switches. The Intelligent AC supply
performs the following protective functions to compensate
for hostile conditions on the AC mains:
Suppresses high-voltage transients up to several
kilovolts
Filters common mode and difference mode radio
frequencies (EMI)
Sustains operation temporarily during low-voltage
periods
Provides soft-start power-up, which eliminates high
inrush current
AC Power Distribution
All amplier modules and directly associated audio
equipment (mixing consoles, processors, etc.) must
be connected to the AC power distribution in a proper
manner, preserving AC line polarity and connecting earth
ground such that all grounding points are connected to a
single node or common point using the same cable gauge
as the neutral and line(s) cable(s).
Improper grounding connections between loudspeakers
and the rest of the audio system may produce noise, hum
and/or serious damage to the input/output stages in the
system’s electronic equipment.
CAUTION: Before applying AC to any
Meyer Sound self-powered loudspeaker, be
sure that the voltage potential difference between
neutral and earth ground is less than 5 volts AC.
CHAPTER 1: POWER REQUIREMENTS
PowerCon connector
PowerCon connector
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